foo.cc: In function 'int isSuperPrime(int)':
foo.cc:27:6: warning: unused variable 'i' [-Wunused-variable]
   27 |  int i;
      |      ^
foo.cc: In function 'int daysOfMonth(int, int)':
foo.cc:49:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   49 |  if(month==2)
      |  ^~
foo.cc:51:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   51 |   return day;
      |   ^~~~~~

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